Re: EyeOne Accuracy for FOGRA Proof Verification
Re: EyeOne Accuracy for FOGRA Proof Verification
- Subject: Re: EyeOne Accuracy for FOGRA Proof Verification
- From: Thomas Holm/pixl <email@hidden>
- Date: Tue, 12 Jun 2007 09:57:02 +0200
On 12/06/2007, at 2.30, Joseph Yates wrote:
For example I've gotten deviations of between 4.44 - 4.87 on the
Max Primary patch
I'm now seeing this - so how does one account for this in 'ISO Proof
Verification' workflows - where you are "certifying" that this
particular
proof meets certain FOGRA tolerances - when in fact subsequent
readings of
the same proof with the same instrument may "differ significantly"?
As previously stated (in other words) measuring materials which are
not VERY stable after printing will make for a difficult workflow
where in effect you need to wait measuring the materials until stable
(as in the day after printing).
(Not to say anything about other instruments)
Or is a deviation of .4 to .5 not that significant for ISO proof
verification?
It may not be, but there is a caveat. The numbers state that the
primaries SHOULD be under 2.5 and SHALL be under 5 - so regardless of
the deviance your measurements are borderline. Also in the ISO
12647-7 there are some new dH tolerances which should be observed -
so you may want to upgrade your verifications software to a version
taking these latest tolerances into account.
Med Venlig Hilsen
Thomas Holm / Pixl Aps
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